86afe9d661
This CL adds fairly significant changes to the echo removal functionality, the main ones being. -More centralized control over the echo removal. -Updated echo suppression gain behavior. -Significantly increased usage of the linear adaptive filter. -New echo removal functionality when the linear filter is not usable. This CL is chained to the CL https://codereview.webrtc.org/2784023002/ BUG=webrtc:6018 Review-Url: https://codereview.webrtc.org/2782423003 Cr-Commit-Position: refs/heads/master@{#17575}
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
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#include <array>
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#include "webrtc/modules/audio_processing/aec3/aec3_common.h"
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#include "webrtc/modules/audio_processing/aec3/fft_data.h"
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namespace webrtc {
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// Stores the values being returned from the echo subtractor.
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struct SubtractorOutput {
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std::array<float, kBlockSize> e_main;
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std::array<float, kBlockSize> e_shadow;
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FftData E_main;
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std::array<float, kFftLengthBy2Plus1> E2_main;
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std::array<float, kFftLengthBy2Plus1> E2_shadow;
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void Reset() {
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e_main.fill(0.f);
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e_shadow.fill(0.f);
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E_main.re.fill(0.f);
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E_main.im.fill(0.f);
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E2_main.fill(0.f);
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E2_shadow.fill(0.f);
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}
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
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